chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 218912930 218912931 A G 42 GENIC heterozygous 108539635 1 218913033 218913034 G C 18 GENIC homozygous 109367683 1 218913309 218913310 T C 29 GENIC homozygous 108539637 1 218917587 218917588 A G 27 GENIC homozygous 108539646